!!!
%html
  %head
    %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}
  %body
    %h1
      Hi, #{@user.name}
    %p
      You have borrow this book from the library: #{@book.name}
      Your due day is comming soon, please return the book before your due day.
      %br/
    %p Thanks using our library and have a great day!

